Question

How cfc is responsible for ozone depletion?

Answer 1

Its chlorofluorocarbon(CFC), it is one of the green house gases which are responsible for ozone depletion. When UV rays from sun come into earth's atmosphere it strikes with many gases there in which cfc is one of them. When uv strikes CFC the C-Cl bond breaks and produces Cl atom which then treated with O3(ozone) and break its bond.